Comedian Chris Rock announced on Twitter that he has contracted COVID.Hey guys I just found out I have COVID, trust me you don’t want this. Get vaccinated.— Chris Rock (@chrisrock) September 19, 2021What Chris failed to relay in this tweet is that it is a breakthrough case. The CDC describes a “breakthrough” case thusly,COVID-19 vaccines are effective at preventing infection, serious illness, and death. Most people who get COVID-19 are unvaccinated. However, since vaccines are not 100% effective at preventing infection, some people who are fully vaccinated will still get COVID-19. An infection of a fully vaccinated person is referred...